NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Isaac Del Castillo

Social Worker in Lompoc, CA · enumerated 2022 · practices at Family Service Agency of Santa Barbara County.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1225761570

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Isaac Del Castillo
Sex Male
Practice address 101 S B St, Lompoc, CA, 93436
Phone (805) 735-4376
Enumeration date Jul 5, 2022
Last updated in NPPES Jul 19, 2023

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 104974 (CA) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Isaac Del Castillo?
The National Provider Identifier (NPI) for Isaac Del Castillo is 1225761570, a Type 1 (individual) record in the CMS NPPES registry.
Where does Isaac Del Castillo practice?
The practice location on file with NPPES is in Lompoc, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-19.